Two geniuses, infinite insecurity, and Penny caught in the middle as The Big Bang Theory's finest characters collide.

As The Big Bang Theory nears another expansion, Leonard's return is closer than ever thanks to Johnny Galecki.

Sheldon (Jim Parsons), Penny (Kaley Cuoco), and Leonard (Johnny Galecki) sitting in an apartment on The Big Bang Theory - CBS "The Big Bang Theory" is the perfect name for a sitcom about a group of ...

The Big Bang Theory is, at its heart, about relationships. The geek culture references, cameos, and science speak are dressings, and funny ones at that. But from the very beginning, the series set ...

To underscore those rare instances when he succumbs to his humorous side, Sheldon will punctuate his jokes and pranks with the triumphant exclamation “Bazinga!” after (sometimes long after) his jokes ...

The Big Bang Theory aired from 2007 to 2019 on CBS, telling the story of four successful yet geeky young men and how they face adulthood and grow socially without giving up on their passions. The ...

Sheldon Cooper (Jim Parsons) is the heart and soul of "The Big Bang Theory" — for worse or for better, depending on how you feel about the sometimes controversial, sometimes abrasive character.